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LTC3805-5 - Linear Technology

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LTC3805-5 Flyback DC/DC Controller

n VIN and VOUT Limited Only by External Components n 4.5V Undervoltage Lockout Threshold n Adjustable Slope Compensation n Adjustable Overcurrent Protection with Automatic Restart n Adjustable Operating Frequency (70kHz to 700kHz) With One External Resistor n Synchronizable to an External Clock n ±1.5% Reference Accuracy n Only 100mV Current Sense V.

Features

Adjustable Frequency Current Mode Flyback/ Boost/SEPIC DC/DC Controller DESCRIPTION n VIN and VOUT Limited Only by External Components n 4.5V Undervoltage Lockout Threshold n Adjustable Slope Compensation n Adjustable Overcurrent Protection with Automatic Restart n Adjustable Operating Frequency (70kHz to 700kHz) With One External Resistor n Synchronizable to an External Clock n ±1.5% Reference Accuracy n Only 100mV Current Sense Voltage Drop n RUN Pin with Precision Threshold and Adjustable Hysteresis n Programmable Soft-Start with One External Capacitor n Low Quiescent Current: .

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